Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10791387 | Wireless microphone system, receiving apparatus and wireless synchronization method | Takeshi Miyahara, Katsumi Nakagawa, Ryosuke Kitago | 2020-09-29 |
| 10595110 | Microphone device | Haruyuki Yoshida, Kenta Kondou | 2020-03-17 |
| 10382873 | Communication apparatus, wireless microphone system and communication method | Katsuya Abe, Katsumi Nakagawa, Ryosuke Kitago | 2019-08-13 |
| 9083283 | Digital amplifier | Hiroshi Sugawara, Shigeki Niwayama, Yoshiki Maeda, Toshimi Takano | 2015-07-14 |
| 8975956 | Digital amplifier | Hiroshi Sugawara, Shigeki Niwayama, Yoshiki Maeda, Toshimi Takano | 2015-03-10 |